Subtract 9/10 from 2/27
2/27 - 9/10 is -223/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
2/27 = 2 × 10/27 × 10 = 20/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
9/10 = 9 × 27/10 × 27 = 243/270 - Subtract the two like fractions:
20/270 - 243/270 = 20 - 243/270 = -223/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/27-9/10 2/27-18/10 2/54-9/10 2/27-9/20 6/27-9/10 2/27-27/10 2/81-9/10 2/27-9/30 10/27-9/10 2/27-45/10 2/27-9/50 14/27-9/10 2/27-63/10 2/27-9/70